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HASEGAWA DENKI KOGYO KK

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    201,730
About

HASEGAWA DENKI KOGYO KK has a total of 26 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets measurement and environmental technology are PREMIER TECH LTD, KYORITSU ELECTRICAL INSTR WORKS LTD and SHANDONG JIBAO ELECTRICAL CO LTD.

Patent filings in countries

World map showing HASEGAWA DENKI KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 26

Patent filings per year

Chart showing HASEGAWA DENKI KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yamazaki Kanji 6
#2 Omori Takao 5
#3 Fujiwara Sadamu 5
#4 Yamada Hiroshi 4
#5 Soda Shuji 3
#6 Honjo Yoshitaka 3
#7 Okuno Shigenori 2
#8 Higuchi Takemitsu 1
#9 Kawakami Kuniaki 1
#10 Yamashita Tomonori 1

Latest patents

Publication Filing date Title
JP2020112363A Direct current electroscope
JP2019144111A Information processing system and terminal device
JP2015080399A Method for making determination about solar battery module deterioration
JP2015230214A DC voltage detector
JP2013110925A Dc ground-fault current detector
JP2012194104A Electrical leakage detector
JP2012108080A Ground fault detector for ungrounded ac circuit
JP2011007742A Voltage detector and manufacturing method thereof
JP2008039696A Device and method of measuring amount of wear in trolley wire
JP2006234800A Device for measuring ground resistance
JP2006097156A Helmet
JP2004140421A Portable phone with built-in camera
JP2004125697A Insulation level monitoring device for direct current
JP2003272402A Portable lighting device
JP2001208781A Dc electroscope
JP2000221219A Noncontact type detector for d.c. high voltage
JP2000182504A Direct-current earth current detecting device
JP2000182503A Direct-current earth current detecting device
JPH10332749A Electroscope for operating robot
JPH10279283A Cable detector of crane vehicle